Indirect ophthalmoscopy lens straight retaining ring



FIG. 1 is a side elevational view of an indirect ophthalmoscopy lensstraight retaining ring, showing the new design accordingly.

FIG. 2 is a cross-sectional view taken along line 2--2 of FIG. 1 wherethe indirect ophthalmoscopy lens is clearly shown;

FIG. 3 is an end elevational view taken from the right of FIG. 1; and,

FIG. 4 is an end elevational view taken from the left of FIG. 1.

The ornamental design for an indirect ophthalmoscopy lens straightretaining ring, as shown and described.